Regarding how to determine the minimum liquid volume for a plate tower
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For example, if a large volume of gas contains a small amount of methanol and a plate tower is used to absorb it with water, how should the amount of water be determined? Assuming the tower is tall enough, it’s not entirely clear whether, since water and methanol are miscible in any ratio, as long as, during the upward flow of the gas, some fresh water needs to be removed due to water saturation, then as long as there is still water flowing downward through the tower, the methanol can be completely absorbed? Since as long as water is introduced, a liquid level can be established on the plate, and the tower is tall enough, will it be possible to absorb everything completely? Are there any special water volume requirements for plate towers?
There are sophisticated design techniques for gas absorption; it’s not something that can be achieved simply by adding some water.
Could you explain in detail why saying that is equivalent to saying nothing at all?
It is necessary to calculate the amount of absorbent solution required, the number of tray levels, the spray density, the gas velocity in the empty tower, and the total pressure drop across the tower. There is a design process: theoretically, it should be designed by qualified entities, and those same qualified entities are responsible for the production. For more details, see the paper at http://www.cnki.com.cn/Article/CJFDTotal-LJGY198906010.htm
You didn’t understand what I meant; I just want to know how to determine the amount of absorbing solution, in the case of mutually soluble substances in any ratio.
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